Flexible microwave catheters for natural or artificial lumens
First Claim
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1. A coupler for coupling a flexible coaxial cable, a fluid cooling system and an outer sheath of a catheter, the coupler comprising:
- a fluid coupler body including;
a fluid inlet configured to operably couple to a source of cooling fluid and receive fluid therefrom;
a fluid outlet configured to operably couple to a fluid discharge; and
an outer sheath coupler forming an aperture for coupling with an outer sheath of a catheter while forming a fluid-tight seal therewith; and
a fluid sealing system housed in the fluid coupler body including;
a distal sealing diaphragm configured to form a fluid-tight seal about an outer surface of an inflow lumen and a fluid-tight seal with an interior surface of the fluid coupler body defining an outflow plenum in fluid communication with the fluid outlet; and
a proximal sealing diaphragm configured to form a fluid-tight seal about an outer surface of a coaxial cable and a fluid-tight seal with an interior surface of the fluid coupler body thereby forming an inflow plenum in fluid communication with the fluid inlet.
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Abstract
A coupler for coupling a flexible coaxial cable, a fluid cooling system and the outer sheath of a catheter, the coupler including a fluid coupler body having a fluid inlet, a fluid outlet, a bypass bulb, an outer sheath, and a fluid sealing system housed in the fluid coupler body. The fluid sealing system includes a distal sealing diaphragm and a proximal sealing diaphragm configured to form a fluid-tight seal with the fluid coupler body.
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Citations
8 Claims
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1. A coupler for coupling a flexible coaxial cable, a fluid cooling system and an outer sheath of a catheter, the coupler comprising:
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a fluid coupler body including; a fluid inlet configured to operably couple to a source of cooling fluid and receive fluid therefrom; a fluid outlet configured to operably couple to a fluid discharge; and an outer sheath coupler forming an aperture for coupling with an outer sheath of a catheter while forming a fluid-tight seal therewith; and a fluid sealing system housed in the fluid coupler body including; a distal sealing diaphragm configured to form a fluid-tight seal about an outer surface of an inflow lumen and a fluid-tight seal with an interior surface of the fluid coupler body defining an outflow plenum in fluid communication with the fluid outlet; and a proximal sealing diaphragm configured to form a fluid-tight seal about an outer surface of a coaxial cable and a fluid-tight seal with an interior surface of the fluid coupler body thereby forming an inflow plenum in fluid communication with the fluid inlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification